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Doesn't really mean much buddy, just that i made a mistake, but that i'm owning it and that i'm okay with it. Plus i couldn't come up with a witty reply.

There was no hurry for your response. I thought Yep was hilarious, so much so I upvoted it. I have no SP. But, if I did you would have been rewarded for that moment of laughter you unwittingly gave me.
Maybe this brief list can be beneficial?
Sorry
My Bad
My Mistake
Who Made You Post Police
F...Off
Don't Worry About It
No Worries Mate
Bloody Hell
Fah Getta Bout It
Damn It
Suck It
Bite me....
YEP
Feel free to refer to any of these free responses if you like.